Bizarre Patents
Self Containing Enclosure for Protection from Killer Bees
A self contained protective enclosure with an opening for entry and egress and a screen for ventilation and viewing.
PatentStorm News
Make the Most of Our Site
See this month's Top Inventors and Most Cited Patents.
Stay on top of the latest innovations by subscribing to an RSS feed.
Registered users: Manage your profile.
| Number | Title | Issue Date |
| 7413066 | Hydraulically controlled torque coupling device A hydraulically actuated torque coupling device is provided for transmitting a drive torque from an input to at least one output. The torque coupling device comprises a rotatable hydraulic manifold block having a plurality of cylinder bores defined therein, a multi-... | 08/19/2008 |
| 7210376 | Device for transmitting torque between two rotatable, coaxial schaft members A device for transmitting torque between two rotatable, coaxial shaft members (1, 2) contains a clutch (35) between the two shaft members and engageable—to counteract rotational speed differential between the shaft members—by a hydraulic piston ( | 05/01/2007 |
| 7204170 | Device for transmitting torque between two rotatable, coaxial shaft members A device for transmitting torque between two rotatable, coaxial shaft members contains a clutch between the two shaft members and engageable to counteract rotational speed differential between the shaft members by a hydraulic piston under the control of an electrica... | 04/17/2007 |
| 7195112 | Clutch cover mechanism A clutch lockout includes posts to receive bolts to retain the lockout to a clutch boss and retaining screw holes to retain lockout fingers mounted on the lockout. At least one indent in each post accommodates the retaining screw holes. ... | 03/27/2007 |
| 7077256 | Speed differential-dependent hydraulic clutch with a control valve A speed-difference-dependent hydraulic clutch comprises a drive housing (11), which rotates in a housing (20), a first shaft (21) which can be connected in a rotationally fixed manner to the drive housing, a second shaft (22) which is con... | 07/18/2006 |
| 6651794 | Hydro-mechanical combiner A power combining device is provide for use in a work system to combine mechanical power and hydraulic power. The power combining device includes a first rotatable input/output member connected to a power source, a second rotatable input/output member con... | 11/25/2003 |
| 6454070 | Drain mechanism for hydraulic power transmission joint A limiter plug and a drain plug are juxtaposed in a valve block. The limiter plug is provided with a thermo-switch of which operation, when a predetermined temperature is reached, opens a communication passage for drainage by means of a limiter pin. The d... | 09/24/2002 |
| 6422368 | Hydraulic power transmission joint A valve block coupled to a rotor is provided with a drain mechanism that includes a drain pin adapted to open and close a drain hole. The drain pin is incorporated in a drain plug by providing a support by a return spring. The drain pin has an orifice for... | 07/23/2002 |
| 6382380 | Hydraulic power transmission joint A torque varying mechanism comprises an accommodation hole that has a relief hole formed in its bottom and that receives a check ball therein. The accommodation hole is configured so as to present a relationship in which the area of flow passage between t... | 05/07/2002 |
| 6341682 | Hydraulic power transmission joint A joint includes therein a valve serving to cut off torque transmitted from a front wheel associated driving shaft to a rear wheel associated driven shaft by the action of a weight based on a centrifugal force when a predetermined number of rotations is r... | 01/29/2002 |
| 6336539 | Drain mechanism for hydraulic power transmission joint A drain plug is disposed in a drain hole through which oil is discharged from a high-pressure chamber formed in a valve block. Within the drain plug there is arranged a drain pin that slidably opens and closes the drain hole. A fixed pin serves to restric... | 01/08/2002 |
| 6293381 | Hydraulic power transmission joint An axially extending extension is formed on a bearing retainer provided adjacent to a valve block of a joint and press-fitted into the interior of a housing. The extension has at its outer peripheral end a bearing by way of which the bearing retainer is r... | 09/25/2001 |
| 6283264 | Hydraulic power transmission joint A torque characteristic shifting mechanism is provided in an accommodation hole of a rotary valve. The torque characteristic shifting mechanism changes over the torque characteristics in a multi-step manner with an increase of the vehicle velocity by sett... | 09/04/2001 |
| 6257387 | Hydraulic power transmission joint A plunger is accommodated in each of a plurality of plunger chambers formed axially in a rotor, with the plunger being displaced by rotation of a cam face associated with a housing. A first one way valve for intake is incorporated in the head of each plun... | 07/10/2001 |
| 6044950 | Hydraulic clutch control actuator in particular of motor vehicle A receiver comprises an external body (5) having a thrust face (166) and a centring surface (167), and a concentric internal tube (6) with a flange (61) in contact with the thrust face (166), the centring surface (167) being part of a portion (153) of inc... | 04/04/2000 |
| 5598911 | Hydraulic slider coupling A hydraulic ball coupling assembly (1) comprises an inner hub (2) and an outer hub (3) disposed for relative coaxial rotational engagement. The inner hub (2) includes a continuous sinuate recessed track (4) extending circumferentially around the cylindric... | 02/04/1997 |
| 5575368 | Fluid clutch A fluid clutch comprising a driving section, a rotational shaft rotated by the driving section, a driving disk driven rotationally by the rotational shaft, a casing containing the disk and rotatable around the rotational shaft as a center, a partitioning ... | 11/19/1996 |
| 5323870 | Adjustable viscous shear coupling for an all-wheel drive vehicle and a process for its control A viscous shear coupling for distributing torque between front and rear axles of an all-wheel drive vehicle is provided which comprises a housing, a set of inner blades interdigitating with a set of outer blades, the inner and outer blades being axially s... | 06/28/1994 |
| 5320586 | Locking limited slip planetary transfer case A locking limited slip planetary differential for the transfer case of an all-wheel drive vehicle. First and second coaxially juxtaposed sun gears are mounted to first and second output shafts, respectively, for rotation therewith. A plurality of first pl... | 06/14/1994 |
| 5297994 | Hydraulic power transmission joint which is used in vehicles An electromagnetic actuator is provided at the outer periphery of and out of contact with a casing of a transmission joint for transmitting torque between two shafts. The electromagnetic actuator produces an electromagnetic field within the joint main bod... | 03/29/1994 |
| 5103642 | Rotary shaft coupler with rotary valve plate position dependent on direction of shaft rotation Two rotary shafts to transfer a motive power are relatively rotatably coupled. One of the shafts is coupled to a rotor and the other is coupled to a cam. A plurality of plungers which execute a stroke motion in the axial direction by the relative rotation... | 04/14/1992 |
| 5087228 | Device to oppose relative rotational movement between two rotatable shafts A device to oppose a difference in relative rotational velocity between two rotatable shafts includes a set of primary braking elements arranged to rotate with one of the shafts and a set of secondary braking elements arranged to rotate with the other sha... | 02/11/1992 |
| 4981201 | Variable drive apparatus An infinitely variable high efficiency drive mechanism that can act as a transmission or as a coupling between a prime mover and the reducing gears of a standard or automatic transmission, replacing a clutch or torque converter as a means of power transmi... | 01/01/1991 |
| 4597483 | Hydrostatic clutch A hydrostatic clutch, includes coaxial driving and driven rotative members, so that when in the clutched condition rotative power is transferred from the driving to driven member. The clutch includes a plurality of pistons bearing upon an inclined cam, an... | 07/01/1986 |
| 4564095 | Friction-less hydraulic clutch device This clutch device is designed to be friction-less, and it employs hydraulic fluid for the engaging action upon a drive flange, without the use of friction linings. Primarily, it consists of an internal housing, return spring, piston and pushrod, which ar... | 01/14/1986 |
| 4456110 | Self-contained fan clutch A self-contained fan clutch including a housing in which is contained a rotatable drive disc driven by a source of power connected to the housing and the drive disc. Also mounted within the housing is an annular piston having an annular piston portion rec... | 06/26/1984 |
